Home / 1,101,331.28-1,519,928.78-611,346.92

Finding the Fourth Proportional to 1,101,331.28, 1,519,928.78 and 611,346.92

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Solution

The fourth proportional to 1,101,331.28, 1,519,928.78 and 611,346.92 is: 843,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,331.28 : 1,519,928.78 = 611,346.92 : x
  2. Step 2: Convert to fraction form
    1,101,331.28/1,519,928.78 = 611,346.92/x
  3. Step 3: Cross multiply
    1,101,331.28x = 1,519,928.78 × 611,346.92
  4. Step 4: Simplify right side
    1,101,331.28x = 929,203,773,610.19
  5. Step 5: Solve for x
    x = 929,203,773,610.19/1,101,331.28
  6. Step 6: Final answer
    x = 843,709.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.